Block Island 5-Day Forecast Summary
Here's how the next 5 days are shaping up at Block Island, Rhode Island. Each day is rated based on breaking wave height, swell period, and wind — updated hourly from the latest NOAA GFS run.
Sun, May 10: 3–4ft, 8s period, rated Poor - Fair. Slim pickings today — 3-4ft and poor - fair with strong SSW wind at 13mph.
Mon, May 11: 2–3ft, 8s period, rated Fair. First light looks cleanest — 2-3ft on SSE swell at 8s with gentle NNW breeze. Wind fills in through the day, pushing up to 11mph from the W and dropping conditions to poor.
Tue, May 12: 1–2ft, 7s period, rated Poor. Not the most exciting day — 1-2ft and poor conditions with 8mph NNW winds. Winds do pick up a bit by the afternoon to 12mph.
Wed, May 13: 1–2ft, 4s period, rated Poor. Hold off if you can — morning starts out very poor with 0-1ft waves. Surf builds nicely through the day to 2-3ft with poor conditions by the afternoon.
Thu, May 14: 2–3ft, 6s period, rated Poor - Fair. Late morning into early afternoon looks best — 2-3ft with moderate S wind around 13mph. Morning is a bit bumpy but things clean up by late morning.